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BS EN 26157-3:1992

Current
Current

The latest, up-to-date edition.

Fasteners. Surface discontinuities. Bolts, screws and studs for special requirements
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-01-1992

Publisher

British Standards Institution

Cooperating organizations
National foreword
Foreword
Text of EN 26157-3 - No contents section
National annex NA (informative)
National annex NB (informative)

1.1 This part of ISO 6157 establishes limits for various types of surface discontinuities on bolts, screws and studs for special requirements.

It applies to bolts, screws and studs with

  • nominal thread diameters 5 mm and larger;

  • product grades A and B;

  • nominal lenghts l ≤ 10d (or longer if specified);

  • property class 12.9;

  • property classes 8.8, 9.8 and 10.9 when specified in product standards or agreed between supplier and purchaser.

1.2 Where the permissible limits for surface discontinuities indicated in clause 3 occur, the minimum values for the mechanical and functional properties specified in ISO 898-1 should still be met.

When fatigue strength requirements are specified, the fatigue strength should not be lower than that obtained on bolts without defects taken from the same lot.

NOTE 1 The figures in clause 3 are examples only. They apply correspondingly also to other types of bolts, screws and studs.

NOTE 2 The individual figures show the surface discontinuities exaggerated in some cases for clarity.

Committee
FME/9
DevelopmentNote
Also numbered as ISO 6157-3 Supersedes 85/78855 DC (10/2005) Reviewed and confirmed by BSI, January 2007. (12/2006)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current

Standards Relationship
UNE-EN 26157-3:1992 Identical
I.S. EN 26157-3:1992 Identical
NBN EN 26157-3 : 1992 Identical
NF EN 26157-3 : 1992 Identical
EN 26157-3 : 1991 Identical
UNI EN 26157-3 : 1993 Identical
DIN EN 26157-3:1991-12 Identical

BS AU 50-2.3:1994 Tyres and wheels. Wheels and rims Specification for road-wheel nuts, studs and bolts for commercial vehicles

ISO 2859:1974 Sampling procedures and tables for inspection by attributes
ISO 468:1982 Surface roughness — Parameters, their values and general rules for specifying requirements
BS EN 20898-1:1992 Mechanical properties of fasteners Bolts, screws and studs
ISO 3269:2000 Fasteners Acceptance inspection

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Hardcopy - English
PDF - English
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